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4830 Series
Double Hung

The Ultimate Double Hung Vinyl Window
DH 4830

Series 4830 DH has every desirable feature assuring energy saving service. When remodeling Dor-Win is your best investment in savings, efficiency and comfort.


  • Fusion welded beveled mainframe and fusion welded sashes
  • Constant force stainless steel adjustable coil balances
  • Air and waterlight dual durometer glazing
  • 3/4″ insulated glass manufactured with our unique gray “Duralite” warm edge seal
  • Heavy gauge full extruded handle on both sashes
  • Dual locks on windows over 24″ wide
  • Full interlock with double weatherstripping
  • Tilt-in sashes for easy cleaning
  • Two heavy duty roll-out night latches
  • Maintenance free rigid vinyl with additional chambers in profile
  • Positive action cam-type lock and keeper
  • Adjustable sill extension
  • Sloped sill
  • Lifetime limited warranty


  • Snap in flange with J-channel
  • Grid Patterns
  • Low E Glass
  • Argon Gas
  • Frosted Glass
  • Tempered Glass


Item: 4830 Series Windows
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